A unit rate in math is the expression of a rate in a quantity of one. For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate. Continue Reading
The symptoms of sinus infection and allergies can be similar. Both can cause symptoms such as runny nose, congestion, headaches, nighttime cough, and difficulty breathing. You are more likely to have a sinus infection if you have fever, colored nasal discharge, and facial or sinus pain.
The initial symptoms of a sinus infection are a green or yellow mucus discharge from your nose, accompanied by facial, often severe, pain around your cheeks, eyes or forehead. A viral infection is the most common cause of sinusitis.